Effectiveness of Vitamin b12 Versus Kenalog on Traumatic Ulcer Associated With Orthodontic Treatment

Inclusion Criteria: * Orthodontic adult patients older than 18 years. * Ulcer due to trauma not more than 10 mm in size. Exclusion Criteria: * Patients who had known systemic diseases. * Concurrent with lesions in the mouth (Bechet's disease, rheumatoid. arthritis, lupus, and acquired immune deficiency syndrome). * A patient who had received other concurrent treatment for aphthous ulcers. * Patients with chronic diseases such as liver diseases, rheumatoid arthritis, diabetes, cancer, and renal diseases. * Pregnant or nursing women. * Patient who had a known vitamin B12 deficiency.